Home / 1,107,816.05-1,662,004.04-309,097.13

Finding the Fourth Proportional to 1,107,816.05, 1,662,004.04 and 309,097.13

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Solution

The fourth proportional to 1,107,816.05, 1,662,004.04 and 309,097.13 is: 463,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,816.05 : 1,662,004.04 = 309,097.13 : x
  2. Step 2: Convert to fraction form
    1,107,816.05/1,662,004.04 = 309,097.13/x
  3. Step 3: Cross multiply
    1,107,816.05x = 1,662,004.04 × 309,097.13
  4. Step 4: Simplify right side
    1,107,816.05x = 513,720,668,956.90
  5. Step 5: Solve for x
    x = 513,720,668,956.90/1,107,816.05
  6. Step 6: Final answer
    x = 463,723.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.